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CANADIAN PORTABLE FORCED AIR HEATERS
OWNER’S MANUAL
MODELS: BC40, RC40, BC55CT, RC55CT, UKC55CT, BC70ET,
RC70ET, UKC70ET, BC115DT, RC115DT, UKC115DT, BC165DT,
RC165DT AND UKC165DT
HEATER SIZES: 40/55/70/115/165,000 BTU/HR MODELS
H.S.I. SERIES
IMPORTANT: Read and understand this manual before
assembling, starting or servicing heater. Improper use
of heater can cause serious injury. Keep this manual for
future reference.
TABLE OF CONTENTS
Safety Information .................................
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d) During fueling, all fuel lines and fuel-line SAFETY INFORMATION connections shall be inspected for leaks. Any leaks shall be repaired prior to returning the WARNING: This product heater to service. contains and/or generates e) At no time shall more than one dayʼs supply chemicals known to the State of heater fuel be stored inside a building in of California to cause cancer or the vicinity of the heater. Bulk fuel storage birth defects or other reproduc- shall be outside the structu
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Hot Air SAFETY INFORMATION Outlet Continued Fan Guard Thermostat 16. Never use heater in living or sleeping areas. Knob 17. Never leave a heater plugged in without adult supervision if children or animals are likely to be present. 18. Never move, handle, refuel or service a hot, operating or plugged-in heater. 19. Never attach duct work to front or rear of Fuel heater. Tank 20. Never attach heater to external fuel tank. Side Cover 21. Heaters used in the vicinity of tarpaulins, canvas or
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FUELS VENTILATION WARNING: Use only kero- WARNING: Provide a fresh air sene, #1/#2 diesel/fuel oil, JET A opening of at least three square or JP-8 fuels to avoid risk of fire or feet (2,800 square cm) for each explosion. Never use gasoline, oil 100,000 Btu/hr rating. Provide drained from crankcases, naph- extra fresh air if more heaters tha, paint thinners, alcohol or are being used. The minimum other highly flammable fuels. ventilation requirements must be followed to avoid risks as- Use
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(FOR 115 AND 165 MODELS ONLY) ASSEMBLY These models are furnished with wheels and a (FOR 40, 55 AND 70 MODELS ONLY) handle. Some models are furnished with a second These models are furnished with a nose cone handle also. Wheels, handle(s), and the mounting guard. Nose cone guard and mounting screws are hardware are found in the shipping carton. found in the shipping carton. Tools Needed Tools Needed • Medium Phillips Screwdriver • 5/16" nut driver or wrench • 3/8" Open or Adjustable Wrench
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TO STOP HEATER OPERATION Without ON/OFF Switch IMPORTANT: Review and under- Unplug extension cord from outlet. stand the warnings in the Safety With ON/OFF Switch Information section, page 2. Push ON/OFF switch to OFF (O) position. Unplug They are needed to safely oper- heater when not in use. ate this heater. Follow all local TO RESTART HEATER ordinances and codes when using this heater. Without ON/OFF Switch 1. Unplug extension cord from outlet and wait TO START HEATER 10 seconds. (Wait
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ENGINE OFF OPERATION WITH STORING, PORTABLE GENERATOR TRANSPORTING OR SHIPPING WARNING: Before operating Note: If shipping, transport companies require heater or any appliance from a fuel tanks to be empty. portable generator, verify that 1. Drain fuel tank. Note: Some models have generator has been properly con- drain plug on underside of fuel tank. If so, re- move drain plug to drain all fuel. If heater does nected to earth ground. Improper not have drain plug, drain fuel through fue
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PREVENTATIVE MAINTENANCE SCHEDULE WARNING: Never service heater while it is plugged in, operating or hot. Severe burns and electrical shock can occur. Item How Often How To Fuel tank Flush every 150-200 hours of operation See Storing, Transporting, or Shipping, page 7 or as needed Air output and lint filters Replace every 500 hours of operation See Air Output, Air Intake, and or once a year Lint Filters, page 10 Air intake filter See Air Output, Air Intake, and Wash and dry with soap and wate
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TROUBLESHOOTING Continued FAULT CONDITION POSSIBLE CAUSE REMEDY Motor starts and runs but heater 1. No fuel in tank 1. Fill tank with kerosene does not ignite 2. Pump pressure incorrect 2. See Pump Pressure Adjust- ment, page 11 3. Dirty fuel filter 3. See Fuel Filter, page 11 4. Obstruction in nozzle 4. See Nozzle Assembly, page 13 5. Water in fuel tank 5. Drain and flush fuel tank with clean kerosene. See Storing, Transporting or Shipping, page 7 WARNING: High voltage! 6. Bad electrical con
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4. Clean fan using a soft cloth moistened with SERVICE PROCEDURES kerosene or solvent. 5. Dry fan thoroughly. WARNING: To avoid risk of 6. Replace fan on motor shaft. Place fan hub flush burn and electrical shock, never with end of motor shaft (see Figure 14). attempt to service heater while it 7. Place setscrew on flat of shaft. Tighten setscrew is plugged in, operating or hot. firmly (40-50 inch-pounds/4.5-5.6 n-m). 8. Replace fan guard and upper shell. UPPER SHELL REMOVAL 1. Remove screws
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FUEL FILTER SERVICE PROCEDURES 1. Remove side cover screws using 5/16" nut- Continued driver. 6. Replace filter end cover. 2. Remove side cover. 7. Replace fan guard and upper shell. 3. Pull upper fuel line off fuel filter neck (see IMPORTANT: Do not oil filters. Figure 19 or 20). Air Intake Filter 4. Carefully pry bushing, fuel filter, and lower fuel line (115/165 Models only) out of fuel Filter tank (see Figure 20). End 5. Wash fuel filter with clean fuel and replace in Cover tank. 6. Attach
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Nozzle SERVICE PROCEDURES Combustion Adapter Continued Chamber Bracket IGNITOR Air Line Ignitor 1. Remove upper shell and fan guard (See Upper Hose Shell Removal, page 10). Fuel 2. Remove fan (see page 10). Line 3. Remove 4 side cover screws with a 5/16" nut Ignitor Hose driver. Remove side cover (see Figures 19 or Wire 20, page 11). Photocell 4. Disconnect ignitor wires from ignition control Bracket assembly (see Figure 21). Pull the ignitor Ignition Control wires up through the
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11. Attach fuel and airline hoses to nozzle as- SERVICE PROCEDURES sembly. See Fuel and Air Line Replacement Continued and Proper Routing, page 14. Combustion 12. Replace fan (see Fan, page 10). Chamber 13. Replace fan guard and upper shell (see Upper Nozzle Shell Removal, page 10). Adapter Combustion Bracket Nozzle/ Chamber Adapter Nozzle/ Air Line Assembly Adapter Hose Assembly Fuel Line Photocell Hose Bracket Figure 24 - Removing Air and Fuel Line Hoses (115/165 Models Only) Fig
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PUMP ROTOR SERVICE PROCEDURES (Procedure if Rotor is Binding) Continued 1. Remove upper shell (see Upper Shell Re- FUEL AND AIR LINE REPLACEMENT moval, page 10). AND PROPER ROUTING 2. Remove filter end cover screws using 5/16" 1. Remove upper shell (see Upper Shell Re- nut driver (see Figure 28 or 29). moval, page 10). 3. Remove filter end cover and air filters. 2. Remove side cover screws using 5/16" nut 4. Remove pump plate screws using 5/16" driver (see Figure 19 or 20, page 11). nut-driver.
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IGNITION CONTROL ASSEMBLY SERVICE PROCEDURES Continued WARNING: High voltage! Note: If rotor is still binding, proceed as 1. Unplug heater. follows. 2. Remove side cover screws (4) using 5/16" nut- 13. Perform steps 1 through 6. driver to expose ignition control assembly. 14. Place fine grade sandpaper (600 grit) on flat 3. Remove fuse cover (see Figure 32). surface. Sand rotor lightly in “figure 8” motion four times (see Figure 31). 4. Remove fuse from fuse clips (see Figure 32). 15. Reinsta
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ILLUSTRATED PARTS BREAKDOWN MODELS BC40 AND RC40 31 4 37 1 2 5 9-1 36 9-6 9-2 9-5 3 6 7 1 1 9 9-4 8 9-3 21 10 12 18 13 20 22 16 23 24 25 28 26 27 30 29 35 34 33 19 15 14 17 32 16 www.desatech.com 116170-01A
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PARTS LIST MODELS BC40 AND RC40 This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. KEY PART NO. NUMBER DESCRIPTION QTY. 1 M51104-01 Handle 1 2 098511-67 Upper Shell (Service Part Will Be Black) 1 3 M11084-29 Screw, #10-16 x 3/4" 2 4 108631-01 Screw, #10-16 x 1" 2 5 098512-58 Combustion Chamber 1 6 M10908-2 Screw, #6-32 x 3/8" 2 7
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ILLUSTRATED PARTS BREAKDOWN MODELS BC55CT, RC55CT, UKC55CT, BC70ET, RC70ET AND UKC70ET 42 4 41 1 2 5 9-1 35 9-5 3 9 6 7 1 1 9-4 9-3 8 21 10 12 18 13 20 22 16 23 24 25 28 26 27 30 29 34 38 37 39 33 36 19 17 15 14 32 31 40 18 www.desatech.com 116170-01A
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PARTS LIST MODELS BC55CT, RC55CT, UKC55CT, BC70ET, RC70ET AND UKC70ET This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part. KEY PART NO. NUMBER DESCRIPTION QTY. 1 M51104-01 Handle 1 2 098511-67 Upper Shell (Service Part Will Be Black) 1 3 M11084-29 Screw, #10-16 x 3/4" 2 4 108631-01 Screw, #10-16 x 1" 2 5 098512-50 Combustion Chamber
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ILLUSTRATED PARTS BREAKDOWN MODELS BC115DT, RC115DT, UKC115DT, BC165DT, RC165DT AND UKC165DT 2 Upper Tier Burner Head 125/170T 1 7-1 7-2 7-6 7-3 3 7-4 7-5 9 7 10 4 5 16 6 8 1 1 19 23 24 12 28 15 25 18 26 20 27 29 22 31 21 30 37 13 39 38 14 35 33 34 14 36 17 40 32 20 www.desatech.com 116170-01A
